package com.sq.springcloud.service.impl;

import com.sq.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * @Description: TODO
 * @author: ydy
 * @date: 2022-10-21 11:56
 */
//定义消息的推送管道，EnableBinding注解表示将信道channel和exchange交换机绑定在一起
@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider {

    //消息发送管道
    @Resource
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*********serial:" + serial);
        return serial;
    }
}
